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Make a copy of a variable argument list
#include <stdarg.h>
void va_copy( va_list d,
va_list s );
- d
- A va_list object into which you want to copy the list.
- s
- The va_list object that you initialized with the
va_start()
macro and that you want to copy.
libc
Use the -l c option to
qcc
to link against this library.
This library is usually included automatically.
The va_copy() macro creates a copy of a list of variable arguments.
You can use the va_copy() macro with the associated macros
va_arg(),
va_start(),
and
va_end(),
especially to avoid problems on some platforms.
For more information, see
“Varargs and coercion”
in the documentation for va_arg().
See va_arg().
POSIX 1003.1
Safety: | |
Cancellation point |
No |
Interrupt handler |
Yes |
Signal handler |
Yes |
Thread |
Yes |
va_copy() is a macro.
va_arg(),
va_end(),
va_start()
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